Fireproof gonhi Handel yakagadzirwa nesimbi, simbi, aruminiyamu uye zvimwe zvinhu zvesimbi kuburikidza nekugadzira, calendering, kucheka uye mamwe maitiro ekugadzirisa emuviri. Icho chinhu chakakosha chehardware fittings pamagonhi asingapindi moto. Mubati wegonhi remoto wakabatanidzwa negonhi rekuvhara, iro rakagadzirirwa anti-kuba basa.